Journal
CATALYSIS COMMUNICATIONS
Volume 41, Issue -, Pages 96-100Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2013.07.004
Keywords
Silica-functionalized ionic liquid; Thioacetalization; Organic reaction in water; Theoretical modeling; Density functional theory
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A novel silica-functionalized dual Bronsted acidic ionic liquid (ionic liquid with two Bronsted acidic species) has been reported as a highly efficient catalyst for thioacetalization of carbonyl compounds. The reaction was efficiently performed in water as an environmentally benign solvent with good to high yields. Thermal gravimetric analysis showed that the catalyst is stable at least up to 350 degrees C. Furthermore, the catalyst can be recycled and reused for six runs of reaction without appreciable loss of activity. The structure of the catalyst is modelized to gain more realistic structural insight about the functionalized ionic liquid. (C) 2013 Elsevier B.V. All rights reserved.
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